PROCESS FOR PRODUCING FLUORORESIN-COATED ROLLER OR BELT

WIPO Patent Application WO/2011/058961

A1

A process for producing a fluororesin-coated roller or belt is provided in which a thermally fusion-bonded fluororesin coating layer can be formed on a base directly or through a rubber layer through a heat treatment conducted for an extremely short time, and in which the fluororesin coating layer develops few defects and the underlying rubber layer is inhibited from thermally deteriorating. The production process comprises: a step in which a base or a rubber-coated base obtained by forming at least a rubber layer on the peripheral surface of the base is inserted into the hollow of a heat-shrinkable fluororesin tube; a pre-shrinking step which is optional; a pressing/fusion-bonding step in which the base or the rubber-coated base is rotated while keeping the base or rubber-coated base in contact under pressure with a hot-plate surface heated to a temperature in the range of 250-400ºC, thereby thermally fusion-bonding the heat-shrinkable fluororesin tube to the peripheral surface of the base or rubber-coated base; and a reheating step and a rapidly cooling step which are optional.

KAMIMURA HIROMI (JP)
HABUKA MASAHIRO (JP)
HARADA SHINGO (JP)
FUKUMOTO YASUHIRO (JP)

PCT/JP2010/069905

May 19, 2011

November 09, 2010

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SUMITOMO ELEC FINE POLYMER INC (JP)
KAMIMURA HIROMI (JP)
HABUKA MASAHIRO (JP)
HARADA SHINGO (JP)
FUKUMOTO YASUHIRO (JP)

G03G15/20; B29C63/42; B29C65/02; B32B25/08; G03G15/00; B29K27/12; B29L31/32

JPH10180874A	1998-07-07
JPH07199691A	1995-08-04
JP2004344374A	2004-12-09
JPH07281549A	1995-10-27
JP2003131460A	2003-05-09

NISHIMA, Hideaki et al. (JP)
Hideaki Futajima (JP)

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